What do you think of people that respond "it doesn't matter" and how do you respond?

i think people that say these things probably aren't depressed even though some probably are, but i don't want this to be taken as the person is depressed. this question is about the indifference to problems of a larger than themselves scale. perhaps depression plays a factor of helplessness, but the inaction and the feeling of being powerless shouldn't be so abundant in our people. post examples about anything you want. i want to hear your thoughts and perhaps prove me wrong? that people do really care.
What do you think of people that respond it doesnt matter and how do you respond?
What do you think of people that respond "it doesn't matter" and how do you respond?
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